213834859620 has 24 divisors (see below), whose sum is σ = 598737607104. Its totient is φ = 57022629216.

The previous prime is 213834859559. The next prime is 213834859631. The reversal of 213834859620 is 26958438312.

It is a happy number.

It is a super-3 number, since 3×213834859620³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1781957104 + ... + 1781957223.

It is an arithmetic number, because the mean of its divisors is an integer number (24947400296).

Almost surely, 2^213834859620 is an apocalyptic number.

213834859620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213834859620 is an abundant number, since it is smaller than the sum of its proper divisors (384902747484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213834859620 is a wasteful number, since it uses less digits than its factorization.

213834859620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563914339 (or 3563914337 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 213834859620 in words is "two hundred thirteen billion, eight hundred thirty-four million, eight hundred fifty-nine thousand, six hundred twenty".